com.oracle.graal.truffle.hotspot.nfi

Class HotSpotNativeFunctionHandle

java.lang.Object

com.oracle.graal.truffle.hotspot.nfi.HotSpotNativeFunctionHandle

All Implemented Interfaces:

NativeFunctionHandle

public class HotSpotNativeFunctionHandle
extends Object
implements NativeFunctionHandle

Field Summary

Fields

Modifier and Type	Field and Description
private Class<?>[]	argumentTypes
private InstalledCode	code
private String	name

Constructor Summary

Constructors

Constructor and Description
HotSpotNativeFunctionHandle(InstalledCode code, String name, Class<?>... argumentTypes)

Method Summary

Modifier and Type	Method and Description
Object	call(Object... args) Calls the native function.
private boolean	checkArgs(Object... args)
String	toString()
private void	traceCall(Object... args)
private void	traceResult(Object result)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

code

private final InstalledCode code

name

private final String name

argumentTypes

private final Class<?>[] argumentTypes

Constructor Detail

HotSpotNativeFunctionHandle

public HotSpotNativeFunctionHandle(InstalledCode code,
                                   String name,
                                   Class<?>... argumentTypes)

Method Detail

traceCall

private void traceCall(Object... args)

traceResult

private void traceResult(Object result)

call

public Object call(Object... args)

Description copied from interface: NativeFunctionHandle

Calls the native function.

The caller is responsible for ensuring args comply with the platform ABI (e.g. Unix AMD64 ABI). If the library function has struct parameters, the fields of the struct must be passed as individual arguments.

Specified by:

call in interface NativeFunctionHandle

Parameters:

args - the arguments that will be passed to the native function

Returns:

boxed return value of the function call

checkArgs

private boolean checkArgs(Object... args)

toString

public String toString()

Overrides:

toString in class Object